Fixing compilation on linux. Needed forward slashes on includes, and -lm for linking math libraries.

Getting warning about lua's use of tmpnam, and to use mkstmp instead..  Not sure I care.

host/Makefile

@@ -17,7 +17,7 @@ all:	shared
 #unix build doesn't need winlib directory as libusb should be installed on OS.
 #sudo apt-get install libusb-1.0-0-dev
 unix:	shared
-	$(CC) $(INCLUDE) $(SOURCES) -o $(TARGET) $(CFLAGS) $(LIBUSB)
+	$(CC) $(INCLUDE) $(SOURCES) -o $(TARGET) $(CFLAGS) -lm $(LIBUSB)
 
 # "make debug" will build program with debug print messages
 # -DDEBUG show debug logs

host/source/inlprog.c

@@ -24,9 +24,9 @@
 #include "shared_enums.h"
 
 //lua libraries
-#include "lua\lua.h"
-#include "lua\lauxlib.h"
-#include "lua\lualib.h"
+#include "lua/lua.h"
+#include "lua/lauxlib.h"
+#include "lua/lualib.h"
 
 void error (lua_State *L, const char *fmt, ...) {
 	va_list argp;